The word "wouldst will not" is an archaic English phrase that means "you would not want to." The spelling of this word may appear confusing, but it follows the same pronunciation rules as other archaic English words. The IPA phonetic transcription of "wouldst" is /wʊdst/, which rhymes with "shouldst." The pronunciation of "will not" is /wɪl nɒt/. Despite its unusual spelling, "wouldst will not" remains a fascinating piece of English linguistic history.